/* ==========================================================================
   1. CSS Variables
   ========================================================================== */
:root {
    /* Colors - Deep Navy / Ivory / Gold theme */
    --color-primary: #0A192F;
    --color-primary-light: #112240;
    --color-background: #FDFBF7;
    --color-surface: #F4F1EA;
    --color-text: #2D3748;
    --color-text-muted: #4A5568;
    --color-accent: #D4AF37; /* Muted Gold */
    --color-accent-hover: #C5A028;
    --color-inverse: #FFFFFF;
    --color-inverse-muted: #E2E8F0;
    
    --color-border: #E2E8F0;
    --color-border-light: rgba(255,255,255,0.1);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-arabic: 'Noto Sans Arabic', sans-serif;
    
    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(10, 25, 47, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(10, 25, 47, 0.1), 0 2px 4px -1px rgba(10, 25, 47, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(10, 25, 47, 0.1), 0 4px 6px -2px rgba(10, 25, 47, 0.05);
    
    /* Layout */
    --container-width: 1200px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ==========================================================================
   2. Reset & Base
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, svg {
    display: flex;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

button {
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
}

[lang="ar"] {
    font-family: var(--font-arabic);
}

/* ==========================================================================
   3. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    
}

.text-inverse {
    color: var(--color-inverse) !important;
}

.text-inverse-muted {
    color: var(--color-inverse-muted) !important;
}

.eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    
}

.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

/* ==========================================================================
   4. Layout Utilities
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section { padding: 4rem 0; }
@media (min-width: 768px) { .section { padding: 6rem 0; } }
.section-old {
    padding: 6rem 0;
}

.bg-surface { background-color: var(--color-surface); }
.bg-primary { background-color: var(--color-primary); }

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(1, 1fr); }

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.justify-center { justify-content: center; }

/* ==========================================================================
   5. Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-inverse);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-inverse);
    border: 1px solid var(--color-inverse);
}

.btn-outline:hover {
    background-color: rgba(255,255,255,0.1);
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* ==========================================================================
   6. Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(253, 251, 247, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
    padding: 1rem 0;
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background-color: rgba(253, 251, 247, 0.95);
    border-bottom-color: rgba(0,0,0,0.05);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-links {
    display: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-accent);
}

.nav-cta {
    display: none;
}

.mobile-menu-btn {
    display: flex;
    color: var(--color-primary);
}

/* Mobile Menu Active State */
.nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-background);
    padding: 2rem var(--container-padding);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

@media (min-width: 768px) {
    .nav-links { display: flex; align-items: center; }
    .nav-cta { display: inline-flex; padding: 0.5rem 1rem; }
    .mobile-menu-btn { display: none; }
    .nav-links.active {
        position: static;
        width: auto;
        padding: 0;
        box-shadow: none;
        flex-direction: row;
        border: none;
        background: transparent;
    }
}

/* ==========================================================================
   7. Hero
   ========================================================================== */
.hero {
    padding-top: 8rem;
    padding-bottom: 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; right: 0; width: 50%; height: 100%;
    background: radial-gradient(circle at top right, rgba(212, 175, 55, 0.05), transparent 60%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

.hero-text {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-arabic-phrase {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-accent);
    margin-bottom: 2.5rem;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Placeholder Styling */
.image-placeholder {
    background-color: var(--color-surface);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    gap: 1rem;
}

.image-placeholder.aspect-portrait { aspect-ratio: 4/5; }
.image-placeholder.aspect-square { aspect-ratio: 1/1; }

.placeholder-icon {
    width: 3rem;
    height: 3rem;
    opacity: 0.5;
}

@media (min-width: 1024px) {
    .hero-container { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   8. Trust Strip
   ========================================================================== */
.trust-strip {
    border-top: 1px solid rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 2rem 0;
    background: linear-gradient(to right, transparent, rgba(244, 241, 234, 0.5), transparent);
}

.trust-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.trust-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trust-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem 3rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--color-primary);
}

.trust-item i {
    color: var(--color-accent);
    width: 1.25rem;
    height: 1.25rem;
}

/* ==========================================================================
   9. Sections & Cards
   ========================================================================== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: clamp(2rem, 3vw, 2.5rem);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

.card {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0,0,0,0.03);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Feature Grid */
.feature-card { text-align: center; }
.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-md);
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}
.card-icon i { width: 2rem; height: 2rem; }

/* Curriculum Grid */
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.check-list i {
    color: var(--color-accent);
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* ==========================================================================
   10. Timeline
   ========================================================================== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0; bottom: 0; left: 1rem;
    width: 2px;
    background-color: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-left: 4rem;
    margin-bottom: 3rem;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-marker {
    position: absolute;
    left: 0; top: 0;
    width: 2rem; height: 2rem;
    background-color: var(--color-primary);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.875rem;
    z-index: 1;
}

@media (min-width: 768px) {
    .timeline::before { left: 50%; transform: translateX(-50%); }
    .timeline-item { width: 50%; padding-left: 0; padding-right: 3rem; text-align: right; margin-left: 0; }
    .timeline-item:nth-child(even) { margin-left: 50%; padding-left: 3rem; padding-right: 0; text-align: left; }
    .timeline-marker { left: 100%; transform: translateX(-50%); }
    .timeline-item:nth-child(even) .timeline-marker { left: 0; }
}

/* ==========================================================================
   11. Instructor
   ========================================================================== */
.instructor-layout {
    display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center;
}
.badge-list li {
    display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}
.badge-list i { color: var(--color-primary); width: 1.25rem; height: 1.25rem; }

@media (min-width: 768px) {
    .instructor-layout { grid-template-columns: 1fr 1fr; }
}

/* Format Card */
.format-card { display: flex; flex-direction: column; align-items: center; justify-content: center;
    background-color: var(--color-primary-light);
    padding: 2rem; border-radius: var(--radius-lg); text-align: center;
    border: 1px solid var(--color-border-light);
}
.format-card i, .format-card svg { color: var(--color-accent); width: 2rem; height: 2rem; margin-bottom: 1rem; }
.format-card h4 { color: var(--color-inverse); margin-bottom: 0.5rem; }
.format-card p { color: var(--color-inverse-muted); }

/* ==========================================================================
   12. Testimonials
   ========================================================================== */
.quote-icon { margin-bottom: 0;
    color: var(--color-accent);
    
}
.quote-icon i { width: 3rem; height: 3rem; }
.testimonial-text {
    font-style: italic; margin-bottom: 2rem; flex-grow: 1;
}
.testimonial-card {
    display: flex; flex-direction: column;
}
.testimonial-author {
    display: flex; align-items: center; gap: 1rem; margin-top: auto;
}
.placeholder-avatar {
    width: 3rem; height: 3rem; border-radius: 50%;
    background-color: var(--color-surface);
    border: 1px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1.25rem;
}
.author-info h4 { margin: 0; font-size: 1rem; }
.author-info span { font-size: 0.875rem; color: var(--color-text-muted); }

/* ==========================================================================
   13. FAQ
   ========================================================================== */
.faq-container { max-width: 800px; }
.accordion-item {
    border-bottom: 1px solid var(--color-border);
}
.accordion-header {
    width: 100%; display: flex; justify-content: space-between; align-items: center;
    padding: 1.5rem 0; font-size: 1.125rem; font-weight: 600; color: var(--color-primary);
    text-align: left;
}
.accordion-icon {
    transition: transform var(--transition-normal);
}
.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}
.accordion-content {
    max-height: 0; overflow: hidden; transition: max-height var(--transition-normal);
}
.accordion-content p {
    padding-bottom: 1.5rem; color: var(--color-text-muted);
}

/* ==========================================================================
   14. Final CTA
   ========================================================================== */
.final-cta {
    background-color: var(--color-primary);
    color: var(--color-inverse);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.final-cta::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.1), transparent 70%);
}
.final-cta h2 { color: var(--color-inverse); font-size: clamp(2rem, 4vw, 3rem); }
.cta-container { position: relative; z-index: 1; max-width: 800px; }

/* ==========================================================================
   15. Footer
   ========================================================================== */
.footer {
    background-color: var(--color-primary-light);
    color: var(--color-inverse-muted);
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid; gap: 3rem; margin-bottom: 4rem;
}
@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.footer-brand .logo { color: var(--color-inverse); font-size: 1.5rem; display: flex; margin-bottom: 1rem; }
.footer h4 { color: var(--color-inverse); margin-bottom: 1.5rem; font-size: 1.125rem; }
.footer ul li { margin-bottom: 0.75rem; }
.footer a:hover { color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid var(--color-border-light);
    padding-top: 2rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
    font-size: 0.875rem;
}

/* ==========================================================================
   16. Animations & Accessibility
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay { transition-delay: 200ms; }
.reveal-delay-1 { transition-delay: 150ms; }
.reveal-delay-2 { transition-delay: 300ms; }
.reveal-delay-3 { transition-delay: 450ms; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; transition: none; }
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* Logo Image Styling */
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-img {
    height: 50px;
    width: auto;
    display: flex;
}

/* Hero Image Styling */
.hero-image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 100%;
}
.hero-image-wrapper.aspect-portrait {
    aspect-ratio: 4/5;
}
.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: flex;
}

@media (max-width: 767px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .hero-visual {
        display: none;
    }
}

/* Additional Animations */

}

/* 2. Feature Card Icon Hover */
.feature-card:hover .card-icon,
.format-card:hover i, .format-card:hover svg {
    transform: scale(1.1) rotate(5deg);
    transition: transform 0.3s ease;
}
.card-icon, .format-card i, .format-card svg {
    transition: transform 0.3s ease;
}

/* 3. Primary Button Hover Glow */
.btn-primary:hover {
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

/* 4. Timeline Marker Hover */
.timeline-item:hover .timeline-marker {
    background-color: var(--color-accent);
    color: var(--color-primary);
    transform: scale(1.1);
    transition: all 0.3s ease;
}
.timeline-marker {
    transition: all 0.3s ease;
}

/* 5. Fade In Down for Navbar */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.navbar {
    animation: fadeInDown 0.8s ease-out forwards;
}


@media (max-width: 767px) {
    .nav-links.active {
        gap: 0;
    }
    .nav-links.active li {
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-links.active li:last-child {
        border-bottom: none;
    }
    .nav-links.active a {
        display: block;
        padding: 0.75rem 0;
        width: 100%;
    }
}

@media (max-width: 767px) {
    .hero {
        min-height: auto;
        padding-top: 6rem;
        padding-bottom: 2rem;
        align-items: flex-start;
    }
    .hero-content {
        margin-top: 0;
    }
}